The KingSpec P3 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 520MB/s, laptop PC Desktop costs $0.0800/GB while the SanDisk - Optimus GX PRO 850X 4TB Internal SSD NVMe costs $0.2500/GB. KingSpec P3 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 520MB/s, laptop PC Desktop offers 68% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
KingSpec P3 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 520MB/s, laptop PC Desktop vs SanDisk - Optimus GX PRO 850X 4TB Internal SSD NVMe — Which Is Better Value?
Specification Comparison
| Spec | KingSpec P3 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 520MB/s, laptop PC Desktop | SanDisk - Optimus GX PRO 850X 4TB Internal SSD NVMe |
|---|---|---|
| Brand | KingSpec | SanDisk |
| Capacity | 4TB | 4 TB |
| $/GB | $0.0800 | $0.2500 |
| Price | $319.99 | $999.99 |
| Retailer | Newegg | Best Buy |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | nvme |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the KingSpec P3 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 520MB/s, laptop PC Desktop offers better value at $0.0800//GB compared to the SanDisk - Optimus GX PRO 850X 4TB Internal SSD NVMe at $0.2500//GB — that's roughly 68% less per gigabyte.
The best deal for the KingSpec P3 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 520MB/s, laptop PC Desktop is $319.99 at Newegg, while the SanDisk - Optimus GX PRO 850X 4TB Internal SSD NVMe starts at $999.99 at Best Buy.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each KingSpec P3 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 520MB/s, laptop PC Desktop and SanDisk - Optimus GX PRO 850X 4TB Internal SSD NVMe product page for detailed specifications and price history.
Frequently Asked Questions
Is KingSpec P3 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 520MB/s, laptop PC Desktop or SanDisk - Optimus GX PRO 850X 4TB Internal SSD NVMe a better deal?
As of July 2026, KingSpec P3 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 520MB/s, laptop PC Desktop offers better value at $0.0800//GB compared to SanDisk - Optimus GX PRO 850X 4TB Internal SSD NVMe at $0.2500//GB. That is approximately 68% better value per gigabyte.
What is the price per GB of KingSpec P3 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 520MB/s, laptop PC Desktop?
The KingSpec P3 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 520MB/s, laptop PC Desktop is currently priced at $0.0800/GB ($319.99 for 4TB) at Newegg.
Where can I buy SanDisk - Optimus GX PRO 850X 4TB Internal SSD NVMe for the cheapest price?
The cheapest price for the SanDisk - Optimus GX PRO 850X 4TB Internal SSD NVMe is $999.99 at Best Buy, which works out to $0.2500/GB.